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EP 3 867 546 A1

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(43) Date of publication: 25.08.2021 Bulletin 2021/34 (21) Application number: 19801627.1 (22) Date of filing: 14.10.2019

(51) International Patent Classification (IPC):  F16D 69/02(2006.01) C04B 28/08(2006.01) C04B 111/00(2006.01) C04B 28/02(2006.01) C04B 7/52(2006.01) C04B 28/04(2006.01) (86) International application number: PCT/IB2019/058737 (87) International publication number: WO 2020/079562 (23.04.2020 Gazette 2020/17)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 15.10.2018 IT 201800009461 (71) Applicants: HeidelbergCement AG 69120 Heidelberg (DE) Freni Brembo S.p.A. 24035 Curno (Bergamo) (IT)	(72) Inventors: RAMPINELLI, Flavio 24059 Urgnano (BG) (IT) BONFANTI, Andrea 24035 Curno (BG) (IT) SANGUINETI, Alessandro 24035 Curno (BG) (IT) SAMELA, Alessandro 24035 Curno (BG) (IT) BOTTALICO, Luca 24060 Brusaporto (BG) (IT) (74) Representative: De Gregori, Antonella et al Studio Legale Bird & Bird Via Borgogna, 8 20122 Milano 20122 Milano (IT)